5 Best Practices for Using Python Datetime as Keys in Dictionaries

πŸ’‘ Problem Formulation: When working with Python dictionaries, it’s common to track events over time, requiring the use of datetime objects as keys. The challenge lies in ensuring that these keys are used consistently and effectively. Consider a scenario where one needs to store timestamps associated with specific events within a dictionary structure, with the … Read more

Handling Python DateTime Objects Before 1970

πŸ’‘ Problem Formulation: In Python, the datetime module typically handles dates in the period after the Unix epoch (January 1, 1970). However, developers often face the challenge of representing and manipulating dates that predate this point. For instance, a legacy database could contain entries from the 1960s, and processing this information with Python’s datetime module … Read more

5 Best Ways to Work With Python Datetime Between Two Datetimes

Working with Python Datetime: Compare Dates and Times πŸ’‘ Problem Formulation: Developers are often required to manipulate and compare date and time objects in various programming scenarios. Specifically, in Python, one common task is finding whether a given datetime object falls between two other datetime objects. This article exemplifies how to solve this problem using … Read more

Demystifying Python’s datetime from ISO Format: Top Techniques

πŸ’‘ Problem Formulation: In the world of software development, one often encounters the challenge of converting an ISO 8601 datetime string to a Python datetime object. For example, you receive an input ‘2023-03-10T14:48:00’ and you want to convert this ISO formatted string to a datetime object to perform various operations like datetime arithmetic or formatting. … Read more

5 Best Ways to Serialize and Deserialize Python Datetime to JSON

πŸ’‘ Problem Formulation: JSON data exchange format doesn’t natively support datetime objects from Python. Developers often need to serialize these objects into a string when saving to JSON and then deserialize them back into datetime objects upon retrieval. For example, one aims to convert datetime.datetime(2023, 4, 1, 15, 30) into a JSON-compatible string and vice … Read more

5 Best Ways to Convert Python Datetime to Julian Day

πŸ’‘ Problem Formulation: You’re given a Python datetime object, and your goal is to convert it to a Julian day number. For instance, you want to transform the input ‘2023-03-23 12:00:00’ into the Julian day number ‘2459652’. This conversion is handy for astronomers, historians, and certain types of data scientists. Method 1: Using the datetime … Read more

5 Best Ways to Extract Just the Date Part in Python Datetime

πŸ’‘ Problem Formulation: When working with Python’s datetime objects, users often need to retrieve only the date part, excluding the time component. This is common when logging events, summarizing data, or comparing dates across records. The desired output would be to take a datetime object like datetime.datetime(2023, 4, 10, 18, 45) and extract just the … Read more

5 Best Ways to Use Python to Get the Week Number from a Date

πŸ’‘ Problem Formulation: Working with dates and times can be surprisingly complex. In particular, you might need to find out the calendar week number from a specific date in Python, such as converting ‘2023-04-12’ into the 15th week of the year. This article guides you through 5 different methods to achieve this, using Python’s powerful … Read more